<?php
//include("../../a.php");
//include("../../a.php");
include_once("../../a.php");
//include_once("../../a.php");

//include("3/c.php");
//include("3/c.php");
include_once("3/c.php");
include_once("3/c.php");

$b = "PHP";

echo "\n",__FILE__,"\n";

echo "\n",$b,"\n",$c,"\n",$a,"\n";

echo happy(),"\n",sad(),"\n";
